Preheat oven to 400F In large skillet, cook mushrooms with 2 tablespoons water over medium heat, covered, until tender, about 9 minutes.,Add spinach, cover and cook just until wilted, about 4 minutes.,Drain well.,Divide mushroom-spinach mixture among wraps, spooning down center of each.,Sprinkle with cheese and add some salsa if desired.,Wrap up snugly and place on a baking sheet.,______,Serve with a squeeze of lime if desired.